[jira] [Commented] (HIVE-5928) Add a hive authorization plugin api that does not assume privileges needed

["Brock Noland (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HIVE-5928?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13864353#comment-13864353 ] 

Brock Noland commented on HIVE-5928:
------------------------------------

Thank you Thejas for posting this. It looks good! It's minor but I might change HiveAuthValidator to HiveAuthorizationValidator.

> Add a hive authorization plugin api that does not assume privileges needed
> --------------------------------------------------------------------------
>
>                 Key: HIVE-5928
>                 URL: https://issues.apache.org/jira/browse/HIVE-5928
>             Project: Hive
>          Issue Type: Sub-task
>          Components: Authorization
>            Reporter: Thejas M Nair
>         Attachments: hive_auth_class_preview.txt
>
>   Original Estimate: 120h
>  Remaining Estimate: 120h
>
> The existing HiveAuthorizationProvider interface implementations can be used to support custom authorization models.
> But this interface limits the customization for these reasons -
> 1. It has assumptions about the privileges required for an action.
> 2. It does have not functions that you can implement for having custom ways of doing the actions of access control statements.
> This jira proposes a new interface HiveBaseAuthorizationProvider that does not make assumptions of the privileges required for the actions. The authorize() functions will be equivalent of authorize(<hive object>, <action>). It will also have functions that will be called from the access control statements.
> The current HiveAuthorizationProvider will continue to be supported for backward compatibility. There will be a subclass of HiveBaseAuthorizationProvider that executes actions using this interface.



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